Wilh. Wilhelmsen Holding ASA: Share program for employees - Mandatory notification of trade by primary insiders

Wilh. Wilhelmsen Holding ASA has today, 11 September 2025, completed a share program for employees. The following primary insiders have participated in the program: Shares to be acquired: • Christian Berg: 24 WWI class A shares • Bjørge Grimholt: 24 WWI class A shares • Benedicte Teigen Gude: 24 WWI class A shares • Geir Flæsen and close associates: 48 WWI class A shares Following completion of the transactions, their new holdings will be: • Christian Berg: 3 553 WWI class A shares and WWIB 600 class B shares • Bjørge Grimholt: 2 395 WWI class A shares and 10 WWIB class B shares • Benedicte Teigen Gude: 1 040 WWI class A shares • Geir Flæsen and close associates: 106 WWI class A shares Please refer to the attached notification of transactions for further details. This information is subject to the disclosure requirements in Regulation EU 596/2014 article 19 number 3 and the disclosure requirements pursuant to section of 5-12 of the Norwegian Securities Trading Act. For further information, please contact: Åge Sturtzel VP Investor Relations and Corporate Support Wilh. Wilhelmsen Holding ASA Tel: (+47) 900 87 670 - email: aage.sturtzel@wilhelmsen.com About Wilhelmsen Wilhelmsen is an industrial holding company within the maritime industry. The group’s main activities are within maritime services, offshore energy services, and RoRo shipping and vehicle logistics. These activities are carried out through fully and partly owned entities, most of which are among the market leaders within their segments. Founded in Norway in 1861, Wilhelmsen maintains a vision of shaping the maritime industry. For more information, please visit wilhelmsen.com.